clock events: allow replacement of broadcast timer

[powerpc.git] / kernel / time / tick-broadcast.c

diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 0962e05..298bc7c 100644 (file)
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -64,8 +64,9 @@ static void tick_broadcast_start_periodic(struct clock_event_device *bc)
  */
 int tick_check_broadcast_device(struct clock_event_device *dev)
 {
-       if (tick_broadcast_device.evtdev ||
-           (dev->features & CLOCK_EVT_FEAT_C3STOP))
+       if ((tick_broadcast_device.evtdev &&
+            tick_broadcast_device.evtdev->rating >= dev->rating) ||
+            (dev->features & CLOCK_EVT_FEAT_C3STOP))
                return 0;
 
        clockevents_exchange_device(NULL, dev);
@@ -176,8 +177,6 @@ static void tick_do_periodic_broadcast(void)
  */
 static void tick_handle_periodic_broadcast(struct clock_event_device *dev)
 {
-       dev->next_event.tv64 = KTIME_MAX;
-
        tick_do_periodic_broadcast();
 
        /*
@@ -515,11 +514,9 @@ static void tick_broadcast_clear_oneshot(int cpu)
  */
 void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
 {
-       if (bc->mode != CLOCK_EVT_MODE_ONESHOT) {
-               bc->event_handler = tick_handle_oneshot_broadcast;
-               clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
-               bc->next_event.tv64 = KTIME_MAX;
-       }
+       bc->event_handler = tick_handle_oneshot_broadcast;
+       clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
+       bc->next_event.tv64 = KTIME_MAX;
 }
 
 /*